CN2587044Y - Twisted line - Google Patents
Twisted line Download PDFInfo
- Publication number
- CN2587044Y CN2587044Y CN 02281898 CN02281898U CN2587044Y CN 2587044 Y CN2587044 Y CN 2587044Y CN 02281898 CN02281898 CN 02281898 CN 02281898 U CN02281898 U CN 02281898U CN 2587044 Y CN2587044 Y CN 2587044Y
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- CN
- China
- Prior art keywords
- twisted pair
- wires
- pair wire
- bare
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a twisted pair wire, which comprises two bare wires, insulating layers covered on each bare wire, insulated conducting wires formed by the two bare wires and the insulating layers, and a surface layer covered on the two insulated conducting wires. The two insulated conducting wires are connected with each other along a length direction, the two insulated conducting wires are twisted into a spiral shape after induration so that the center distances of the two bare wires are consistent at any point in the length scope, and the impedance of the twisted pair wire can be kept stably. The surface layer of the twisted pair wire further comprises conductor filling materials, a shield is formed outside the two insulated conducting wires, so an electromagnetic wave (EMI) which possibly has an interference to operations of other twisted pair wires or electronic electric productions can not be radiated from the twisted pair wire, and the twisted pair wire has the ability of resisting the interference of the electromagnetic wave (EMS) at the same time.
Description
Technical field
The utility model relates to a kind of transmission medium, specifically is a kind of twisted pair wire.
Technical background
Analogy and the modal transmission medium of numerical digit signal are twisted pair wires, and it is the basis of telephone wire transmission system, also are the main transmission mediums of present computer local-area network (LAN).One twisted pair wire can be used as a communication link.
As shown in Figures 1 and 2, twisted pair wire 50 comprises that two are reversed into spiral helicine insulated conductor 51, and each insulated conductor 51 comprises a bare wire 52, and an insulating barrier 53 that is coated on this bare wire 52, utilizes coating extrustion process (extrusion coating) manufacturing usually.When extruding, make bare line in nib, extrude, become insulated conductor 51, when waiting sclerosis, two insulated conductors 51 are reversed into helical form, form twisted pair wire 50 in company with polyethylene (PE) or polypropylene (PP) insulating barrier 53.
Owing to commonly use two insulated conductors 51 of twisted pair wire 50 is under the situation of separating, and is reversed into helical form type sample.Therefore, its centre distance (center to center distance) is difficult to be maintained fixed, with 100 meters long twisted pair wires is example, the measured centre distance of two bare wires 52 any point in this length is all inconsistent, the result makes the impedance of twisted pair wire can not keep stable, and then influences its transmission characteristic.
U.S. patent of invention No5,734,126 disclosed twisted pair wires are promptly addressing the above problem.As shown in Figure 3, this twisted pair wire 60 is when extruding, and makes two bare wires 61 extrude in nib in company with insulating barrier 62 together, and forms a umbilical cord 64 between two insulated conductors 63, and two insulated conductors 63 are combined along length direction.Perhaps twisted pair wire 70 as shown in Figure 4 makes two bare wires 71 extrude in nib in company with insulating barrier 72 together, and two insulated conductors 73 are bondd together as two circles tangently, and two insulated conductors 73 are combined along length direction.
Described twisted pair wire, because two insulated conductors are combined along length direction, it is identical that thereby the centre distance of two bare wires is in any point, make the impedance of twisted pair wire can keep stable, but because do not have shielding measure, and be easy to give off the electromagnetic wave that may interfere with other twisted pair wires and electronic and electrical equipment operation, itself do not have the ability of tolerance Electromagnetic Interference simultaneously yet.
Summary of the invention
Therefore, the purpose of this utility model is promptly addressing the above problem and shortcoming, and a kind of twisted pair wire is provided.This twisted pair wire has two bare wires, and be coated in the insulating barrier of each bare wire, form insulated conductor, and has a top layer that is coated in this two insulated conductor, so that this two insulated conductor is combined along length direction, the any point of centre distance in its length of guaranteeing two bare wires is unanimity, and it is stable that the impedance of twisted pair wire can be kept, and improve its transmission characteristic.
Another purpose of the present utility model is to provide a kind of twisted pair wire; Its top layer further includes conductor filled material, outside two insulated conductors, to form shielding, twisted pair wire can not given off to interfere with the electromagnetic wave (EMI) of other twisted pair wires or electronic and electrical equipment operation, the ability (EMS) that itself also possesses simultaneously the tolerance Electromagnetic Interference is to meet the requirement of electromagnetic compatibility (EMC).
The purpose of this utility model is achieved in that
A kind of twisted pair wire includes
Two bare wires;
Two insulating barriers are coated on each bare wire respectively;
It is characterized in that also including
One top layer is coated on each insulating barrier, this two insulating barrier combined along length direction, and the sclerosis retrotorsion curl of waiting.
This top layer further includes conductor filled material.
Because adopt such scheme, the utility model has the following advantages and good effect than prior art:
1, because two bare wires are combined by a top layer that is coated on insulating barrier,, the impedance of twisted pair wire can be kept stablize and improve its transmission characteristic so the centre distance of two bare wires any point in its length all can be consistent.
2, because the top layer further includes conductor filled material, this packing material is with Powdered or granular kenel, after plastic material as the top layer mixes equably, together in nib, extrude, and be evenly distributed in the top layer, outside two insulated conductors, form shielding by this, twisted pair wire can not given off to interfere with the electromagnetic wave (EMI) of other twisted pair wires or electronic and electrical equipment operation, the ability (EMS) that itself also possesses simultaneously the tolerance Electromagnetic Interference is to meet the requirement of electromagnetic compatibility (EMC).
By the above, twisted pair wire provided by the utility model has novelty, creativeness and has industrial utilization.
Description of drawings
Fig. 1 has the twisted pair wire outside drawing now.
Fig. 2 takes from the profile of A-A line among Fig. 1.
Fig. 3 two insulated conductors combine commonly uses twisted pair wire radial section figure.
Fig. 4 two insulated conductors combine another commonly use twisted pair wire radial section figure.
The twisted pair wire outside drawing that Fig. 5 forms according to the utility model.
Fig. 6 takes from the profile of B-B line among Fig. 5.The piece number explanation:
50 twisted pair wires, 51 insulated conductors
52 bare wires, 53 insulating barriers
60 twisted pair wires, 61 bare wires
62 insulating barriers, 63 insulated conductors
64 umbilical cords, 70 twisted pair wires
71 bare wires, 72 insulating barriers
73 insulated conductors, 80 twisted pair wires
81 bare wires, 82 insulating barriers
83 insulated conductors, 84 top layers
85 conductor filled materials
Embodiment
The utility model is reached the technology contents of above-mentioned purpose and other characteristics with reference to graphic preferable of following cooperation
Embodiment is described as follows.
As Fig. 5 and shown in Figure 6, specific implementation " twisted pair wire " 80 of the present utility model comprises two bare wires 81, and is coated on the insulating barrier 82 of each bare wire 81 respectively.Described bare wire 81 can be solid, hollow copper cash or zinc-plated copper cash, also can be twisted into one (strand) by many fine copper wires.Insulating barrier 82 is the thermoplastic plastic normally, and for example polyethylene (PE) or polypropylene (PP) etc. utilize coating extrustion process (extrusion coating) to be coated on bare wire 81; When extruding, make two bare wires 81 in nib, extrude, form insulated conductor 83 in company with insulating barrier 82.Twisted pair wire 80 further comprises a top layer 84 that is coated on two insulated conductors 83, and this top layer 84 is also for utilizing the coating extrustion process to extrude; When extruding, two insulated conductors 83 are extruded in nib in company with top layer 84 together, two insulated conductors 83 are combined at length direction, and wait hard because two bare wires 81 are combined by a top layer 84 that is coated on insulating barrier 82, so centre distance any point in its length of two bare wires 81 all can be consistent, it is stable that the impedance of twisted pair wire 80 can be kept, and improve its transmission characteristic.
In preferred embodiment, top layer 84 further includes conductor filled material 85, this packing material 85 is with Powdered or granular kenel, after plastic material as top layer 84 mixes equably, together in nib, extrude, and be evenly distributed in the top layer 84, outside two insulated conductors 83, form shielding by this, twisted pair wire 80 can not given off to interfere with the electromagnetic wave (EMI) of other twisted pair wires or electronic and electrical equipment operation, the ability (EMS) that itself also possesses simultaneously the tolerance Electromagnetic Interference is to meet the requirement of electromagnetic compatibility (EMC).
Construct the twisted pair wire 80 that forms according to this, owing to have conductor filled material as shielding, and the identical structure of two bare wire centre distances, so can prevent electromagnetic interference, and it is stable that the impedance of twisted pair wire can be kept, and has industrial utilization, change the retrotorsion spirality, be the twisted pair wire 80 of expectation.
Need know that top layer 84 is to be plastic material identical or that can fuse mutually with insulating barrier 82, for example insulating barrier 82 is polyethylene (PE), and top layer 84 also is a D polyethylene (PE), and top layer 84 can be bondd with insulating barrier 82 when extruding.
Because two bare wires 81 are combined by a top layer 84 that is coated on insulating barrier 82, so the centre distance of two bare wires 81 any point in its length all can be consistent, it is stable that the impedance of twisted pair wire 80 can be kept, and improve its transmission characteristic.
In preferred embodiment, top layer 84 further includes conductor filled material 85, this packing material 85 is with Powdered or granular kenel, after plastic material as top layer 84 mixes equably, together in nib, extrude, and be evenly distributed in the top layer 84, outside two insulated conductors 83, form shielding by this, twisted pair wire 80 can not given off to interfere with the electromagnetic wave (EMI) of other twisted pair wires or electronic and electrical equipment operation, the ability (EMS) that itself also possesses simultaneously the tolerance Electromagnetic Interference is to meet the requirement of electromagnetic compatibility (EMC).
Construct the twisted pair wire 80 that forms according to this, owing to have conductor filled material as shielding, and the identical structure of two bare wire centre distances, so can prevent electromagnetic interference, and make the impedance of twisted pair wire can keep stable, have industrial utilization, should meet novel novelty of patent and progressive important document.Certainly, the foregoing description can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in whole items should be considered as exemplary and non-limiting.
Claims (2)
1, a kind of twisted pair wire includes
Two bare wires;
Two insulating barriers are coated on each bare wire respectively;
It is characterized in that, also include
One top layer is coated on each insulating barrier, and this two insulating barrier combines along length direction, and is reversed into helical form.
2, twisted pair wire as claimed in claim 1 is characterized in that, this top layer further includes conductor filled material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02281898 CN2587044Y (en) | 2002-10-22 | 2002-10-22 | Twisted line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02281898 CN2587044Y (en) | 2002-10-22 | 2002-10-22 | Twisted line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2587044Y true CN2587044Y (en) | 2003-11-19 |
Family
ID=33744133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02281898 Expired - Lifetime CN2587044Y (en) | 2002-10-22 | 2002-10-22 | Twisted line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2587044Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420842B (en) * | 2007-10-23 | 2010-12-15 | 青岛海信电器股份有限公司 | Equipment for reducing overproof radiation caused by electricity power line |
| CN102385946A (en) * | 2010-09-04 | 2012-03-21 | 深圳市沃尔核材股份有限公司 | Shielding wire and manufacturing method |
| CN101952905B (en) * | 2008-01-31 | 2013-01-23 | 揖斐电株式会社 | Wiring and composite wiring |
-
2002
- 2002-10-22 CN CN 02281898 patent/CN2587044Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420842B (en) * | 2007-10-23 | 2010-12-15 | 青岛海信电器股份有限公司 | Equipment for reducing overproof radiation caused by electricity power line |
| CN101952905B (en) * | 2008-01-31 | 2013-01-23 | 揖斐电株式会社 | Wiring and composite wiring |
| CN102385946A (en) * | 2010-09-04 | 2012-03-21 | 深圳市沃尔核材股份有限公司 | Shielding wire and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU LERONG WIRE ELECTRICAL APPLIANCES CO., LT Free format text: FORMER OWNER: LERONG INDUSTRIAL STOCK CO., LTD. Effective date: 20090626 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090626 Address after: No. two, No. 38, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang, China: 311215 Patentee after: Hangzhou Lerong Wire & Electric Appliance Co., Ltd. Address before: Postcode of Taiwan, Taipei: Patentee before: Lorom Industrial Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121022 Granted publication date: 20031119 |